shippy2003 shippy2003

01-12-2020
Mathematics

contestada

10x + 4y = 20
13x - 4y = -66
If x = -2, what is the value of y?

Respuesta :

jovemarlie07 jovemarlie07

01-12-2020

Answer:

y = 10

Step-by-step explanation:

If x = -2

10x + 4y = 20

10(-2) + 4y=20

-20+4y=20

4y= 20+20

4y=40

y=10

If x=2 and y=10

13x - 4y = -66

13(-2) - 4(10) =-66

-26 -(-40) = 66 so it all checks out!!

Answer Link

Otras preguntas

The work of which scientist caused controversy that still exists today

Commission of sales on commercial kitchen equipment is paid at the rate of 8%. Last week $12,690 worth of equipment was sold. What was the commission? A. $1,015

Co-payments are required by ___. a. fee-for-service programs c. medicaid b. medicare d. managed care plans

Which of the following is a a mandatory spending program

Help asap Simplify completely quantity 8 x minus 16 over quantity x squared minus 13 x plus 22 and find the restrictions on the variable. quantity x minus 2 ov

What were the effects of President Nixon’s actions during the Watergate scandal on American culture and society?

What refers to the close emotional bond an individual has with the person or persons who raised and cared for him/her?

Is #4 right? Someone plz help.

What is the relationship between the classification of a reaction as endothermic or exothermic and the enthalpy of the reaction?

A learned predisposition to respond cognitively, affectively, and behaviorally to a particular object is known as a(n _____.